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💡 Click on any color value below to copy it to clipboard
Running Number
4,372,204
HEX
#42B6EC
RGB
66, 182, 236
HSL
199°,82%,59%
HSV
199°,72%,93%
CMYK
72%,23%,0%,7%
Brightness
60%
Type
Light
AA Normal Text: ≥ 4.5:1
AA Large Text: ≥ 3.0:1
AAA Normal Text: ≥ 7.0:1
AAA Large Text: ≥ 4.5:1
#42B6EC sits at 199° on the color wheel, placing it in the azure family of the cool half of the spectrum. With 82% saturation and 59% lightness, it reads as a richly saturated, light tone — an immediate, signal-grade voice that demands attention. Its RGB mix of 66, 182, 236 produces a 9.13:1 contrast ratio against black, which clears WCAG AAA for body text in that pairing.
In RGB space #42B6EC is a clear variant of CSS turquoise — about 51 units away from #40E0D0. Designers reach for azure hues at this saturation when the brief calls for bold, immediate signal, and at this lightness when they want a present, comfortable mid-canvas voice. On screen the cool cast tends to pair best with warm neutrals in the 25°-45° range to add life.
See how this color appears in real UI elements
Button (filled)
Badge
Progress Bar
Link Hover
Input Focus Ring
Checkbox Active
Toggle Switch On
Slider Thumb
Card Border
Icon Highlight
Tooltip Background
Modal Header
Tab Active
Alert Box
Timeline Dot
Loading Spinner
Dropdown Selected
Table Row Highlight
Calendar Date
Mobile Device
See how to use #42B6EC in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#42b6ec";💡 Click any tab to see how to use #42b6ec in different programming languages